168 P9 ASD Installation and Operation Manual
Second Speed Loop Proportional Gain
Program Feedback PG Settings
During closed-loop operation, this parameter sets the sensitivity of the ASD
when monitoring the output speed for control.
The larger the value entered here, the more sensitive the ASD is to changes in
the received feedback.
Direct Access Number — F463
Parameter Type — Numerical
Factory Default — 12
Changeable During Run — No
Minimum — 1
Maximum — 9999
Second Speed Loop Stabilization Coefficient
Program Feedback PG Settings
During closed-loop operation, this parameter sets the response sensitivity of the
ASD when monitoring the output speed for control.
The larger the value entered here, the quicker the response to changes in the
received feedback.
Direct Access Number — F464
Parameter Type — Numerical
Factory Default — 1
Changeable During Run — Yes
Minimum — 1
Maximum — 9999
Load Moment of Inertia 2
Program Feedback PG Settings
This parameter is used for calculating accel/decel torque when compensating
for load inertia while operating in the Drooping Control mode.
Direct Access Number — F465
Parameter Type — Numerical
Factory Default — 35
Changeable During Run — Yes
Minimum — 0
Maximum — 100
Speed PID Switching Frequency
Program Feedback Feedback Settings
While running, this parameter establishes the threshold speed setting that is
used to determine if PID control may engage or remain engaged if active.
Direct Access Number — F466
Parameter Type — Numerical
Factory Default — 0.00
Changeable During Run — Yes
Minimum — 0.00
Maximum — Maximum Freq. (F011)
Units — Hz
V/I Input Bias
Program Frequency Speed Reference Setpoints
This parameter is used to fine-tune the bias of the V/I input terminals.
Note: See note on pg. 46 for additional information on the V/I terminal.
This setting may be used to ensure that the zero level of the input source (pot,
pressure transducer, flow meter, etc.) is also the zero level setting of the ASD
system.
This is accomplished by setting the input source to zero and adjusting this
setting to provide an output of zero from the ASD.
Direct Access Number — F470
Parameter Type — Numerical
Factory Default — 141
Changeable During Run — Yes
Minimum — 0
Maximum — 255
F463 F470
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